Iranian Ayatollahs are senior Shiite clerics, with “Ayatollah” (Sign of God) being a high-ranking religious title rather than a name, often denoting experts in Islamic law.
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The Portuguese Empire was one of the longest-lived empires in world history, spanning from the late 15th century until the mid-20th century.
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The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire in the eastern provinces after the fall of the Western Roman Empire.
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The Spanish Civil War was fought from 1936 to 1939 between the Republicans and the Nationalists.
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Roma (Gypsies) originated in the Punjab region of northern India as a nomadic people and entered Europe between the eighth and tenth centuries C.E.
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